CN202076339U - 聚合物和软包装锂离子电池专用单层白色极耳胶 - Google Patents

聚合物和软包装锂离子电池专用单层白色极耳胶 Download PDF

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CN202076339U
CN202076339U CN2011201406156U CN201120140615U CN202076339U CN 202076339 U CN202076339 U CN 202076339U CN 2011201406156 U CN2011201406156 U CN 2011201406156U CN 201120140615 U CN201120140615 U CN 201120140615U CN 202076339 U CN202076339 U CN 202076339U
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沈道付
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Abstract

本实用新型要解决的技术问题是针对现有锂离子电池封装中采用的极耳胶的特点,发明了本产品,聚合物和软包装锂离子电池专用单层白色极耳胶,其特征是该极耳胶是单层改性CPP或单层树脂挤出而制成的薄膜,其薄膜厚度为0.05~0.1mm,薄膜宽度大于3mm的条状,由高精度分条机分切而成。热封后密封性能达国际最高水平,阻隔空气率100%;耐软包装锂离子电池和聚合物锂离子电池的电解液和HF腐蚀;耐温低致135-145度,满足电池低温热封工艺要求。是同类产品中最软最薄产品,适合要求最软最薄的电池工艺要求,本产品颜色为白色不易混淆,外观美观绕软可弯折;本实用新型产品最适合电池硬封工艺,比其他同类发明产品更优。

Description

聚合物和软包装锂离子电池专用单层白色极耳胶
【技术领域】
本实用新型涉及一种聚合物和软包装锂离子电池专用单层白色极耳胶,尤指用于锂离子电池封装工艺中电池极耳上用到的极耳胶。
【背景技术】
目前市场上已有的极耳胶会出现,空气阻隔效果不好,抗腐蚀强度不够的情况,最接近的现有技术住友灰色极耳胶;防潮防变形性能也不尽如人意,为了改善目前市场上的极耳胶的性能,发明了本实用新型产品,本产品填补国内不能生产极耳胶空白,并且对极耳胶的性能有了极大的改善,为国内全面发展动力电池汽车战略提供保障;
【实用新型内容】
本实用新型要解决的技术问题是针对现有锂离子电池封装中采用的极耳胶的特点,发明了本产品,聚合物和软包装锂离子电池专用单层白色极耳胶,其特征是该极耳胶是单层改性CPP或单层树脂挤出而制成的薄膜,其薄膜厚度为0.05~0.1mm。
所述的薄膜为宽度为大于3mm的条状,由高精度分条机分切而成。
本产品优点:完全阻隔空气进入,热封后密封性能达国际最高水平,阻隔空气率100%;本产品耐软包装锂离子电池和聚合物锂离子电池的电解液和HF腐蚀;本产品耐温低致135-145度,满足电池低温热封工艺要求。本实用新型是同类产品中最软最薄产品,适合要求最软最薄的电池工艺要求环境,如硬封和生产0.4MM厚的电池时,必须使用本产品极耳胶;本实用新型产品颜色为白色不易混淆,外观美观绕软可弯折;本实用新型产品最适合电池硬封工艺,比其他同类发明产品更优。
【附图说明】
图1为本实用新型第一实施例截面图。
图2为本实用新型第二实施例截面图。
【具体实施方式】
图1所示为本实用新型第一实施例截面图,该极耳胶是由改性CPP层1挤出制成的薄膜结构,其薄膜厚度为0.05~0.1mm。高精度分条机再将极耳胶薄膜分切成宽度为3.0MM、4.0MM、5.0MM、6.0MM、7.0MM、8.0MM、9.0MM、10.0MM及以上宽度的极耳胶成品供电池厂使用。
如图2所示为本实用新型第二实施例截面图,该极耳胶是由树脂2挤出制成的薄膜结构,本实施例中其薄膜厚度同样为0.05~0.1mm。然后由挤压机挤压涂覆成厚度为0.05到0.20MM范围的极耳胶薄膜;高精度分条机再将极耳胶薄膜分切成宽度为3.0MM、4.0MM、5.0MM、6.0MM、7.0MM、8.0MM、9.0MM、10.0MM及以上宽度的极耳胶成品供电池厂使用。
工艺流程如下:
改性CPP或树脂生产造粒----热熔融---搅拌均匀---挤压机挤压涂覆成薄膜----分切成各种宽度规格的成品极耳胶----包装出货。
本发明的有益效果:本实用新型单层白色极耳胶产品为单层改性CPP层1或树脂2,为同类产品中最软最薄熔点最低产品;最适合电池硬封工艺;耐温低致135-145度,满足电池低温热封工艺要求;薄而绕软适合超薄和弯折环境电池工艺要求;自颜色外观美观;耐电解液和氢氟酸腐蚀达5年以上;本产品实现100%阻隔空气、水分透过;本产品热熔合密封性能100%阻隔空气水分进入,完全满足软包装锂离子电池和聚合物锂离子电池专用电解液的腐蚀;本产品取代并优于住友公司提供给中国软包装锂离子电池和聚合物锂离子电池生产厂家使用的灰色极耳胶;本产品填补国内不能生产极耳胶空白,为国内全面发展动力电池汽车战略提供保障;本产品每年节省外汇5亿元人民币。

Claims (2)

1.聚合物和软包装锂离子电池专用单层白色极耳胶,其特征是该单层白色极耳胶是由单层改性CPP或树脂挤出制成的薄膜,其中薄膜厚度为0.05~0.1mm。
2.根据权利要求1所述的聚合物和软包装锂离子电池专用单层白色极耳胶,其特征是:所述的薄膜为宽度为大于3mm的条状,由高精度分条机分切而成。
CN2011201406156U 2011-05-04 2011-05-04 聚合物和软包装锂离子电池专用单层白色极耳胶 Expired - Fee Related CN202076339U (zh)

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CN109923691A (zh) * 2016-09-07 2019-06-21 安保瑞公司 用于高温反应性材料装置的密封件
CN109962184A (zh) * 2017-12-22 2019-07-02 深圳市天时伟业新能源有限公司 一种极耳胶及其制备方法
US11196091B2 (en) 2012-10-18 2021-12-07 Ambri Inc. Electrochemical energy storage devices
US11387497B2 (en) 2012-10-18 2022-07-12 Ambri Inc. Electrochemical energy storage devices
US11411254B2 (en) 2017-04-07 2022-08-09 Ambri Inc. Molten salt battery with solid metal cathode
US11611112B2 (en) 2012-10-18 2023-03-21 Ambri Inc. Electrochemical energy storage devices
US11721841B2 (en) 2012-10-18 2023-08-08 Ambri Inc. Electrochemical energy storage devices
US11840487B2 (en) 2015-03-05 2023-12-12 Ambri, Inc. Ceramic materials and seals for high temperature reactive material devices
US11909004B2 (en) 2013-10-16 2024-02-20 Ambri Inc. Electrochemical energy storage devices
US11929466B2 (en) 2016-09-07 2024-03-12 Ambri Inc. Electrochemical energy storage devices

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11196091B2 (en) 2012-10-18 2021-12-07 Ambri Inc. Electrochemical energy storage devices
US11387497B2 (en) 2012-10-18 2022-07-12 Ambri Inc. Electrochemical energy storage devices
US11611112B2 (en) 2012-10-18 2023-03-21 Ambri Inc. Electrochemical energy storage devices
US11721841B2 (en) 2012-10-18 2023-08-08 Ambri Inc. Electrochemical energy storage devices
US11909004B2 (en) 2013-10-16 2024-02-20 Ambri Inc. Electrochemical energy storage devices
US11840487B2 (en) 2015-03-05 2023-12-12 Ambri, Inc. Ceramic materials and seals for high temperature reactive material devices
CN109923691A (zh) * 2016-09-07 2019-06-21 安保瑞公司 用于高温反应性材料装置的密封件
CN109923691B (zh) * 2016-09-07 2022-05-17 安保瑞公司 用于高温反应性材料装置的密封件
US11929466B2 (en) 2016-09-07 2024-03-12 Ambri Inc. Electrochemical energy storage devices
US11411254B2 (en) 2017-04-07 2022-08-09 Ambri Inc. Molten salt battery with solid metal cathode
CN109962184A (zh) * 2017-12-22 2019-07-02 深圳市天时伟业新能源有限公司 一种极耳胶及其制备方法

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